Laparoscopic Roux-en-Y Gastric Bypass with 2-metre Long Biliopancreatic Limb for Morbid Obesity: Technique and Experience with the First 150 Patients
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Background: Laparoscopic Roux-en-Y gastric bypass (RYGBP) is being performed widely as a treatment of choice for morbid obesity. We present our method and experience with the first 150 consecutive cases of laparoscopic RYGBP with a 2-m long biliopancreatic limb (BP-limb). Methods: Between November 2001 and November 2003, a prospective analysis of 150 patients was performed identifying technical success and complications. Before surgery, patients underwent a strict multidisciplinary behavioral program. At operation the stomach was transected proximally with a linear stapler (60-mm, Endo-GIA) to create a prolongation of the esophagus (gastric tube) along the lesser curvature, resulting in a 40-50 ml pouch. Two meters of the proximal jejunum were bypassed (BP-limb), creating an antecolic Roux-en-Y gastro-jejunostomy to the posterior wall of the gastric tube using a 45-mm linear Endo-GIA stapler. The entero-anastomosis was created 50 cm below the gastro-jejunostomy, also with a 45-mm linear Endo-GIA. Results: Mean BMI was 50.0, and 78% of patients were females. With 100% follow-up, we found an EWL of 50% 6 months after surgery, gradually rising to 80% after 18 months. The mean operating time was 116 min for the first 50 cases and decreased to 82 min for the last 50 cases. Intestinal leakage occurred in 5 patients (3%) and bleeding in 5 (3%). Most of these complications occurred in the first 50 cases, and all but one were treated successfully with an early laparoscopic re-operation. Marginal ulcers were found in 16.6% of patients. No internal hernias have occurred. Conclusion: The operation demands advanced laparoscopic skills, but technically it is relatively simple and has an acceptable complication rate. Short-term results regarding excess weight loss are at least comparable to the RYGBP with a long alimentary limb.
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